tree-wide: fix some trailing whitespace

@bl33pbl0p, please fix your editor

(Apparently you never configured the source tree? If you did, then the
git pre-commit hook would have been enabled which doesn't allow
commiting non-whitespace clean stuff...)

man/systemd.xml

@@ -452,7 +452,7 @@
     means that before executing a requested operation, systemd will
     verify that it makes sense, fixing it if possible, and only
     failing if it really cannot work.</para>
-    
+
     <para>Note that transactions are generated independently of a unit's
     state at runtime, hence, for example, if a start job is requested on an
     already started unit, it will still generate a transaction and wake up any

src/core/job.c

@@ -207,7 +207,7 @@ Job* job_install(Job *j) {
                                 job_merge_into_installed(uj, j);
                                 log_unit_debug(uj->unit,
                                                "Merged %s/%s into installed job %s/%s as %"PRIu32,
-                                               j->unit->id, job_type_to_string(j->type), uj->unit->id, 
+                                               j->unit->id, job_type_to_string(j->type), uj->unit->id,
                                                job_type_to_string(uj->type), uj->id);
                                 return uj;
                         } else {